What slicer do you use for these? I used Slic3r 0.9.9 and the hole in the base for the flag is tiny (like it could fit a toothpick not the flag pole) and the flag's hole is a little closer but it still doesn't fit. My printer is calibrated well so I'm assuming it is a slicer issue.

I've printed two sets (two different color ABS) with Reptier Host 0.56 and Slic3r 0.9.9 and I didn't have any real problems getting the flags together. Obviously I have to trim the edges of the poles where they might have slight rims from the first layer or the brim but the holes and poles fit together with out much work.

Something that just popped into mind is that I print 3 at a time so that the head moves around a bit allowing the layers to cool before applying the next which helps keep the dimensions as intended. An active cooling fan might help too.

Seej looks like a fun idea, but also tricky in that it's so free-form that it could become unplayable, balanced only by rule 3.

The innovation in this game looks like it's in designing and deploying fortifications. I'd suggest that you need to have very clear rules as to what's acceptable, in the core rules. Rather than being constraining, I'd suggest that clear limitations on what's allowable will encourage innovation, as
people try to come up with cleverer ways to block projectiles while remaining within the allowed space.

I see that you've added "Strongly suggested: Castle walls should be made of interlocking blocks no larger than 5x3x3 cm. Blocks should fit together loosely enough to give the opponent a sporting
chance of destroying a wall with a 10-penny bombardment. (See Core Rule #3.)". I'd suggest that this kind of restriction needs to be a core rule. And I'd suggest that the restriction needs to be a bit more precise. For example, I think you'll need to end up with something less like "If a design unb
alances the game, shelve it until your opponent has designed a countermeasure" and more like the kinds of design restrictions that you saw in Battle Bots. Perhaps something like:

Fits within 5x3x3 area (so one piece cannot block a flag)

Weighs no more than 1/4 lbs.

Made only of plastic (i.e. n
o filling bricks with lead).

Cannot lock together - pieces can stack, but must not snap together, and must be able to slide apart, and must not protrude into each other more than 5mm.

Yes, reminds me of Crossbows and Catapults. Except now we get to print our own weapons and defense systems. I can't wait to see how the rules evolve and how to incorporate new designs. There should be some kind of point system to allow moving up to better weapons and defenses.

I made some modifications to the design of the catapult ( http://www.thingiverse.com/image:140288http://www.thingiverse.com/ima... ). What tool did you use to generate the stl files? Tried to import them back into openscad, but openscad protested about some of them: side_brace and winding_key. I remodelled side_brace in openscad
since. Care to share the source files?

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